7129121691 is an odd 10-digits composite number following 7129121690
and preceding 7129121692 . In scientific notation, it is written as 7.129121691 × 10^9.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 4750585992 positive integers (up to 7129121691) that are relatively prime to 7129121691.
7129121691 has 8 divisors, whose sum is 9509819200
The reverse of 7129121691 is 1961219217
Previous prime number is 2203
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 39
Digital Root 3
Name
seven billion one hundred twenty-nine million one hundred twenty-one thousand six hundred ninety-one
Scientific notation
7.129121691 × 10^9
Engineering notation
7.129121691 × 10^9
Prime Factorization
3 × 2203 × 1078699
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7129121691
Product of the distinct prime numbers
The prime factorization of 7129121691 is 3 × 2203 × 1078699.
Since it has a total of 3 prime factors.
5 , 6 , 79 , 67 , 664 , 740 , 2480 , 4696 , 47062 , 26001 , 214408 , 646369 , 5172262 , 4482141 , 57996567 , 4529618 , 821108342 , 518852043 , 3785768274 , 6132876942
n×2
14258243382
n×3
21387365073
n×4
28516486764
n×5
35645608455
n÷2
3564560845.5
n÷3
2376373897
n÷3
1782280422.75
n÷5
1425824338.2
n2
5.0824376085087E+19
n3
3.6233316197973E+29
n4
2.5831172044383E+39
n5
1.8415356892557E+49
2 √n
84434.12634119
3 √n
1924.6215428258
4 √n
290.57550884613
5 √n
93.456003594355
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7129121690
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7129121691 can be divided by 8 positive divisors.
The sum of these divisors (counting 7129121691) is 1, the average is 0.125.
Base
System
Value
2
Binary
110101000111011011100001110011011
3
Ternary
200101211200220110010
4
Quaternary
12220323130032123
5
Quinary
104100023343231
6
Senary
3135225453003
8
Octal
65073341633
10
Decimal
7129121691
12
Duodecimal
146b641163
16
Hexadecimal
1a8edc39b
20
Vigesimal
5b7h044b
36
Base36
39whti3
md5
c347a258b9b79babc1df27f419a6b876
sha1
1dac68de5f27869a1b09404588ae2d6f404c8387
sha256
10df4e348532ff7baa111636d067dc8fcf679856a03a7a3e4e42e192fc8a4163
sha512
7d5b6df83e8b2a83e16868d3edc969d07af966791420892ae43297b902a4c8bc0ccff382997ad110540977d1e740e6886759582fed5dd52cba3b7822609a262d
ripemd-160
36885625729b779fed15b3ebc5727fa5ea1372fd
Diameter
14258243382
Circumference
44793592661.986
Area
1.5966948653219E+20
Volume
1.51773759977E+30
Surface area
6.3867794612877E+20
Circumference
44793592661.986
Perimeter
28516486764
Area
5.0824376085087E+19
Diagonal
10082100583.22
Surface area
3.0494625651052E+20
Volume
3.6233316197973E+29
Space diagonal
12348000982.153
Perimeter
21387365073
Area
2.200760041059E+19
Altitude
6174000491.0767
Surface area
2.200760041059E+19
Volume
4.2701372647439E+28
Height
3360700194.4068